Analysis

  • max time kernel
    165s
  • max time network
    176s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 10:59

General

  • Target

    059cd1953d411c37e2b23830ffcd8e244afffa6e09ad146b64205ede12e1c770.exe

  • Size

    60KB

  • MD5

    ed2e8c214c18a7e29a6a7178e21a2711

  • SHA1

    45be1d3af64a15cebad31dd8670a288ad8625f8c

  • SHA256

    059cd1953d411c37e2b23830ffcd8e244afffa6e09ad146b64205ede12e1c770

  • SHA512

    ab75b40ec6db364be19d10c3726aef6f75cfb8fc2710a1fce10ba07b2fc070591f61edaf4292f9cc7ac0e4086f3b95ad60f543d1f51459ad9146997c5dda2c3e

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 49 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\059cd1953d411c37e2b23830ffcd8e244afffa6e09ad146b64205ede12e1c770.exe
    "C:\Users\Admin\AppData\Local\Temp\059cd1953d411c37e2b23830ffcd8e244afffa6e09ad146b64205ede12e1c770.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:460
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:776
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\059cd1953d411c37e2b23830ffcd8e244afffa6e09ad146b64205ede12e1c770.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3060
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:2060
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:3628
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k NetworkService -p
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    PID:3160
  • C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
    C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:2868

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
    MD5

    3009acfd55e5d9179e3b051bba1780a3

    SHA1

    9b5ca30212479b69befa7f504a01f809c204b403

    SHA256

    39be775474ca2eb52ffe417d3aaf9d1148be2b0c5c82cdb064e0be05751bef8e

    SHA512

    f410309283951025c7340faef4c438239d09b4d20757cdce1f324687f9cabb9c13ca9f3719cf31384a6e2a46b357c19afb16131eaedf1c78a38b7dd4627e1394

  • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
    MD5

    3009acfd55e5d9179e3b051bba1780a3

    SHA1

    9b5ca30212479b69befa7f504a01f809c204b403

    SHA256

    39be775474ca2eb52ffe417d3aaf9d1148be2b0c5c82cdb064e0be05751bef8e

    SHA512

    f410309283951025c7340faef4c438239d09b4d20757cdce1f324687f9cabb9c13ca9f3719cf31384a6e2a46b357c19afb16131eaedf1c78a38b7dd4627e1394